咪芯型号/model：v-304
净重/net weight: 18g
阻抗/ lmpedance: 600 ω (±30%)
指向性/polar pattem: cardioid/心形
頻率响应/frequency: 60hz-15khz
灵敏度/sensitivity:-70db(±3db)(0db=1mv/paat 1khz)
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